The core profit source of the #交易手续费揭秘 cryptocurrency exchange is **trading fees**, which are usually charged as a percentage of the transaction amount in both directions (charged for both buying and selling). High-frequency traders (especially quantitative teams) contribute the majority of the fee income. The fees for leveraged contract trading are even higher, further amplifying profits. The platform accumulates fees into stable and considerable profits through a large user base and continuous trading activities, forming the main profit model in the industry. Simply put: **Every buy and sell by users is the cornerstone of the platform's profits.**